| Answer | Crossword Clue |
|---|---|
| phthaleins | PHTHALEIN, any one of a very important class of dye-yielding materials formed by the union of phenols with phthalic anhydride |
| Answer | Crossword Clue |
|---|---|
| phthaleins | PHTHALEIN, any one of a very important class of dye-yielding materials formed by the union of phenols with phthalic anhydride |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.